The summary could be:
Three hosts of a show, Rhett, Link and Gregg, play a game where they have to identify random things by poking their fingers into them while blindfolded. They use lifelines such as smelling or licking their fingers to get more clues. They guess items such as marshmallow fluff, popcorn kernels, bubble soap, five layer dip and gum. They win a Groupon for a prostate exam at the end.
Some possible facts extracted from the text are:
1. The text is a transcript of an episode of Good Mythical Morning, a YouTube show hosted by Rhett and Link.
2. The guest star of the episode is Gregg Sulkin, an actor who plays Talkback in Marvel's Runaways on Hulu.
3. The main activity of the episode is to identify random things by inserting a finger into them while blindfolded.
4. The hosts and the guest have two lifelines: smell my finger and fingerlickin' good, which allow them to smell or lick someone else's finger or their own.
5. The items that they poke their fingers into are: marshmallow fluff, corn kernels, bubble water, five layer dip, gum and cattails.
6. They have to guess three items correctly to win a Groupon for a prostate exam at Dr. Long Fingers Prostate Exam and Wellness Center.
7. They end up guessing four items correctly: corn kernels, bubble water, cattails and gum.
8. The episode ends with a video of a newly married couple spinning the Wheel of Mythicality, a segment where the hosts do random things suggested by fans.